Covenant (historical)
WordNet
noun
(1) (Bible) an agreement between God and his people in which God makes certain promises and requires certain behavior from them in return
(2) A signed written agreement between two or more parties (nations) to perform some action
verb
(3) Enter into a covenant or formal agreement
"They covenanted with Judas for 30 pieces of silver"
"The nations covenanted to fight terrorism around the world"
(4) Enter into a covenant